During the Credits
During the first half of the credits for Step Up 3D extra scenes of the cast are shown dancing showing extended takes of certain scenes from the movie, different scenes, as well as behind the scenes shots. Then during the second half of the credits a male dancer (non cast member) comes out to the middle of the World Jam stage, sits down on a chair, and starts performing dance moves while on the chair.
After the Credits
There is no stinger after the credits of Step Up 3D, only the production logos are shown.